-primop FloatDecodeOp "decodeFloat#" GenPrimOp
- Float# -> (# Int#, Int#, ByteArray# #)
- {Convert to arbitrary-precision integer.
- First {\tt Int\#} in result is the exponent; second {\tt Int\#} and {\tt ByteArray\#}
- represent an {\tt Integer\#} holding the mantissa.}
- with out_of_line = True
-